:root {
  --paper: #f4f0e7;
  --paper-deep: #e9e1d2;
  --ink: #201f1b;
  --ink-soft: #625f57;
  --forest: #18352d;
  --forest-soft: #24483d;
  --brass: #9a7540;
  --line: rgba(32, 31, 27, 0.16);
  --line-light: rgba(244, 240, 231, 0.25);
  --display: Georgia, "Times New Roman", serif;
  --text: Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --content: 1180px;
  --measure: 68ch;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--text);
  font-size: 1.08rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--brass); color: #fff; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 4px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--forest);
  color: white;
  font-family: var(--mono);
  font-size: 0.75rem;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  padding: 0 5vw;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.wordmark {
  font: 600 1.2rem/1 var(--display);
  font-style: italic;
  text-decoration: none;
  letter-spacing: 0.01em;
}
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.4rem); }
.site-nav a {
  font: 500 0.71rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.site-nav a:hover { color: var(--forest); }
.site-nav .nav-contact {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--ink);
  color: var(--ink);
}
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: calc(100svh - 70px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(5rem, 11vw, 9rem) max(5vw, calc((100vw - var(--content)) / 2));
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 30%, rgba(154, 117, 64, 0.12), transparent 29%),
    linear-gradient(135deg, rgba(255,255,255,0.2), transparent 55%);
}
.hero::after {
  content: "";
  position: absolute;
  right: -7vw;
  bottom: -17vw;
  width: min(45vw, 650px);
  aspect-ratio: 1;
  border: 1px solid rgba(154, 117, 64, 0.25);
  border-radius: 50%;
  box-shadow: 0 0 0 42px rgba(154, 117, 64, 0.035), 0 0 0 84px rgba(154, 117, 64, 0.025);
  pointer-events: none;
}
.hero-kicker, .eyebrow, .card-label, .mini-label {
  font: 500 0.7rem/1.35 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-kicker { margin-bottom: 1.8rem; color: var(--brass); }
.hero h1 {
  margin: 0;
  font: 500 clamp(4.7rem, 12vw, 10rem)/0.78 var(--display);
  letter-spacing: -0.055em;
}
.hero h1 em { color: var(--forest); font-weight: 500; }
.hero-statement {
  max-width: 880px;
  margin: clamp(2.5rem, 5vw, 4.5rem) 0 0;
  font: 500 clamp(1.55rem, 3vw, 2.65rem)/1.16 var(--display);
}
.hero-substatement { max-width: 720px; margin: 1.4rem 0 0; color: var(--ink-soft); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 2.3rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.15rem;
  border: 1px solid transparent;
  font: 500 0.74rem/1 var(--mono);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--forest); color: white; }
.button-primary:hover { background: var(--forest-soft); }
.button-secondary { border-color: var(--ink); }
.availability {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 3rem;
  color: var(--ink-soft);
  font: 400 0.72rem/1.5 var(--mono);
}
.availability-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brass); box-shadow: 0 0 0 5px rgba(154,117,64,.12); }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof-strip div { padding: 1.5rem 5vw; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip span { display: block; color: var(--brass); font: 500 0.65rem/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.proof-strip strong { display: block; margin-top: .6rem; font: 500 1.15rem/1.2 var(--display); }

.section {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  width: min(var(--content), 90vw);
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) 0;
}
.section-tinted {
  width: 100%;
  max-width: none;
  padding-left: max(5vw, calc((100vw - var(--content)) / 2));
  padding-right: max(5vw, calc((100vw - var(--content)) / 2));
  background: var(--paper-deep);
}
.section-index {
  padding-top: .3rem;
  color: var(--brass);
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: .12em;
}
.section-content { min-width: 0; }
.eyebrow { margin: 0 0 1.25rem; color: var(--brass); }
.section h2, .contact-section h2 {
  max-width: 920px;
  margin: 0;
  font: 500 clamp(2.7rem, 5.3vw, 5.2rem)/0.98 var(--display);
  letter-spacing: -0.035em;
}
.two-column-copy, .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: clamp(2rem, 7vw, 6rem);
  max-width: 1020px;
  margin-top: 2.8rem;
}
.lead { font-size: 1.35rem; line-height: 1.45; }
.two-column-copy p { margin: 0; }
em { color: var(--forest); }

.research-grid {
  display: grid;
  grid-template-columns: 1.25fr .875fr .875fr;
  gap: 1px;
  margin-top: 4rem;
  background: var(--line);
  border: 1px solid var(--line);
}
.research-card { min-height: 330px; padding: clamp(1.5rem, 3vw, 2.5rem); background: var(--paper); }
.featured-card { background: var(--forest); color: white; }
.card-label { margin: 0 0 1.5rem; color: var(--brass); }
.research-card h3, .writing-list h3, .project h3 {
  margin: 0;
  font: 500 1.75rem/1.1 var(--display);
}
.research-card p:not(.card-label) { margin-top: 1.2rem; color: var(--ink-soft); }
.featured-card p:not(.card-label) { color: rgba(255,255,255,.74); }
.tag-list { display: flex; flex-wrap: wrap; gap: .45rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.tag-list li { padding: .4rem .55rem; border: 1px solid rgba(255,255,255,.25); font: 400 .63rem/1 var(--mono); }

.section-intro { max-width: 760px; margin-top: 2rem; }
.project-list { margin-top: 4rem; border-top: 1px solid var(--line); }
.project {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) minmax(260px, .72fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
}
.project-meta { display: flex; flex-direction: column; gap: .35rem; color: var(--ink-soft); font: 400 .65rem/1.5 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.project-copy p, .project-contribution p:last-child { margin: .8rem 0 0; color: var(--ink-soft); }
.mini-label { margin: .15rem 0 0; color: var(--brass); }

.writing-list { margin-top: 3.5rem; border-top: 1px solid var(--line); }
.writing-list article { display: grid; grid-template-columns: 150px minmax(0, 1fr) minmax(210px, .45fr); gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.writing-list .card-label { margin: .2rem 0 0; }
.writing-list p:last-child { margin: .3rem 0 0; color: var(--ink-soft); }

.about-copy p { margin-top: 0; }
.facts { margin: 0; }
.facts div { padding: 1rem 0; border-top: 1px solid var(--line); }
.facts dt { color: var(--brass); font: 500 .66rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.facts dd { margin: .5rem 0 0; }

.contact-section {
  padding: clamp(5rem, 10vw, 9rem) max(5vw, calc((100vw - var(--content)) / 2));
  background: var(--forest);
  color: white;
}
.contact-section h2 { max-width: 950px; }
.contact-section > p:not(.eyebrow) { max-width: 700px; color: rgba(255,255,255,.72); font-size: 1.2rem; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem 2rem; margin-top: 2.5rem; }
.contact-actions > a:not(.button) { color: white; font: 500 .75rem/1 var(--mono); text-decoration: none; border-bottom: 1px solid var(--line-light); padding-bottom: .35rem; }
.button-light { background: var(--paper); color: var(--forest); }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 5vw 2.2rem;
  background: var(--forest);
  color: rgba(255,255,255,.55);
  border-top: 1px solid var(--line-light);
  font: 400 .65rem/1.4 var(--mono);
}
.site-footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 650ms ease, transform 650ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .research-grid { grid-template-columns: 1fr 1fr; }
  .featured-card { grid-column: 1 / -1; }
  .project { grid-template-columns: 120px 1fr; }
  .project-contribution { grid-column: 2; }
  .writing-list article { grid-template-columns: 120px 1fr; }
  .writing-list p:last-child { grid-column: 2; }
}

@media (max-width: 720px) {
  body { font-size: 1rem; }
  .site-header { min-height: 62px; }
  .menu-toggle {
    display: inline-flex;
    border: 0;
    background: transparent;
    color: var(--ink);
    font: 500 .7rem/1 var(--mono);
    text-transform: uppercase;
    letter-spacing: .08em;
  }
  .site-nav {
    position: fixed;
    inset: 62px 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 5vw 2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 1rem 0; border-bottom: 1px solid var(--line); }
  .site-nav .nav-contact { border: 0; border-bottom: 1px solid var(--line); }
  .hero { min-height: calc(100svh - 62px); }
  .hero h1 { font-size: clamp(4.6rem, 24vw, 7rem); line-height: .82; }
  .hero-statement { font-size: 1.7rem; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-strip div:last-child { border-bottom: 0; }
  .section, .section-tinted { grid-template-columns: 1fr; width: 100%; padding-left: 5vw; padding-right: 5vw; }
  .section-index { display: none; }
  .two-column-copy, .about-layout { grid-template-columns: 1fr; gap: 1rem; }
  .research-grid { grid-template-columns: 1fr; }
  .featured-card { grid-column: auto; }
  .research-card { min-height: auto; }
  .project { grid-template-columns: 1fr; gap: 1rem; }
  .project-contribution { grid-column: auto; }
  .writing-list article { grid-template-columns: 1fr; gap: .8rem; }
  .writing-list p:last-child { grid-column: auto; }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}


/* Legal pages */
.legal-links { display: flex; flex-wrap: wrap; gap: 1rem; }
.legal-links a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.25); }
.legal-page { min-height: 100vh; background: var(--paper); }
.legal-header { position: static; }
.legal-main { width: min(820px, 90vw); margin: 0 auto; padding: clamp(4rem, 9vw, 8rem) 0; }
.legal-main .eyebrow { margin-bottom: 1rem; }
.legal-main h1 { margin: 0 0 2rem; font: 600 clamp(3rem, 8vw, 6rem)/.95 var(--display); letter-spacing: -.04em; }
.legal-main h2 { margin: 3rem 0 1rem; font: 600 clamp(1.5rem, 3vw, 2rem)/1.1 var(--display); }
.legal-main h3 { margin: 2rem 0 .7rem; font: 600 1.2rem/1.2 var(--display); }
.legal-main p, .legal-main li { max-width: 72ch; }
.legal-main address { font-style: normal; line-height: 1.7; }
.legal-main a { color: var(--forest); text-underline-offset: .2em; }
.legal-note { margin-top: 2.5rem; padding: 1.2rem 1.4rem; border: 1px solid var(--line); background: rgba(255,255,255,.35); }
.legal-back { font: 500 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; }
.legal-list { padding-left: 1.2rem; }
@media (max-width: 720px) { .legal-main { padding-top: 3rem; } }